fix: fix copy button not hidden after copy (#838)

Author: artemmufazalov

src/components/EntityStatus/EntityStatus.scss

@@ -15,15 +15,16 @@
 
     &__clipboard-button {
         display: flex;
-        visibility: hidden;
         flex-shrink: 0;
 
         margin-left: 8px;
 
+        opacity: 0;
         color: var(--g-color-text-secondary);
 
-        &_visible {
-            visibility: visible;
+        &_visible,
+        &:focus-visible {
+            opacity: 1;
         }
     }
 

src/containers/App/App.scss

@@ -119,10 +119,9 @@ body,
 .data-table__row,
 .ydb-virtual-table__row,
 .ydb-tree-view__item {
-    &:hover,
-    &:focus-within {
+    &:hover {
         & .clipboard-button {
-            visibility: visible;
+            opacity: 1;
         }
     }
 }